CCRL Blitz
Downloads and Statistics
April 10, 2021
Testing summary:
Total: 2'502'969 games
played by 2'977 programs

White wins: 962'290 (38.4%)
Black wins: 770'705 (30.8%)
Draws: 769'974 (30.8%)
White score: 53.8%

Custom engine selection

Comparing 6 engines!
6 selected engines played 0 games with each other



CCRL Blitz Rating List - Custom engine selection
2502969 games played by 2977 programs, run by 22 testers
Ponder off, General books (up to 12 moves), 3-4-5 piece EGTB
Time control: From Jan 2020, equivalent to 2'+1" on an Intel i7-4770K. See the "About" page.
Computed on April 10, 2021 with Bayeselo based on 2'502'969 games
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/404/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
Alfil 15.7 64-bit                       3031  +12  -12  45.4%  +34.7  2681
  Alfil 15.8 64-bit 4CPU                  3023  +20  -20  43.8%  +39.4   795
  Alfil 15.8 64-bit                       2981  +20  -20  48.5%   +9.5   777
  Alfil 13.1 64-bit                       2643  +14  -14  46.2%  +26.3  1870
  Alfil 8.1.1 Optimized                   2625   +9   -9  47.6%  +18.8  5091
  Alfil 12 MT                             2616  +13  -13  51.3%   -8.7  2152

Created in 2005-2013 by CCRL team
Last games added on April 10, 2021